39998128

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53189}}^1$

素因数の和:53244

約数の個数: 20

約数和(自身を含む): 79146720

約数和(自身を除く): 39148592

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 53189, 106378, 212756, 425512, 851024, 2499883, 4999766, 9999532, 19999064, 39998128]

約数ペア:

[(1, 39998128), (2, 19999064), (4, 9999532), (8, 4999766), (16, 2499883), (47, 851024), (94, 425512), (188, 212756), (376, 106378), (752, 53189)]